bdaejec | 6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 21:38

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General

Target

6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe
Size

65KB
MD5

3cb84107011df42405c88b75a846fd60
SHA1

d301bc95adbf12cff6eb751ce470db39308b2006
SHA256

6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9
SHA512

f792af316768d8f597ab068d008e575278ec0e93185aa9a7d7e843002ee27604b8d9a84f3bcc2469f8b15a70e35a00cde038f13f60d64b69bdc870586fb41106
SSDEEP

768:S5qn4NX7+MbT1y9EG+HOkHmopjtWO3ZCdZP1f8SvnHH5GCQGPL4vzZq2o9W7Gsxl:8qn40x9kOkNpjWZP1Vn5GxGCq2iW7z

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Bdaejec family
bdaejec

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/2928-53-0x0000000000DB0000-0x0000000000DB9000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000d00000001225f-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2928	atkr.exe

Loads dropped DLL 2 IoCs

pid	Process
2028	6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe
2028	6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	atkr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	atkr.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	atkr.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	atkr.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	atkr.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	atkr.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	atkr.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	atkr.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	atkr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	atkr.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	atkr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	atkr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	atkr.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{EBB1980D-D3FB-4EE3-8028-3788F037127D}\chrome_installer.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	atkr.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	atkr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	atkr.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	atkr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	atkr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	atkr.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2928	2028	6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe	31
PID 2028 wrote to memory of 2928	2028	6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe	31
PID 2028 wrote to memory of 2928	2028	6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe	31
PID 2028 wrote to memory of 2928	2028	6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe	31
PID 2928 wrote to memory of 2868	2928	atkr.exe	32
PID 2928 wrote to memory of 2868	2928	atkr.exe	32
PID 2928 wrote to memory of 2868	2928	atkr.exe	32
PID 2928 wrote to memory of 2868	2928	atkr.exe	32

C:\Users\Admin\AppData\Local\Temp\6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe
"C:\Users\Admin\AppData\Local\Temp\6e2f5ba736db2b0cb615a71e213ec07aa4f23a743d1a20fb2bd7b58beb5e0dc9N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\atkr.exe
  C:\Users\Admin\AppData\Local\Temp\atkr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\1ac40420.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LPQ313RR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1ac40420.bat

Filesize
183B

MD5
7432c3c6644ed65276b2f5f1989041ea

SHA1
22d0ef7f4fc2ab342fd682cda740e00c51707cdc

SHA256
24fbc04b8d949042761c624c1dc66a7d0a6b512d1d79c8c773b09e187a64d918

SHA512
d2ae0d66051d6a3eec492790b458672138e2faf87654e424f83e5fd22077dabe3aca3e221418c3fcb80ec0e6ff5e9666b2ccad9747231eab8bb38e6e836c8568

Download Submit
C:\Users\Admin\AppData\Local\Temp\53451594.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
\Users\Admin\AppData\Local\Temp\atkr.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2028-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2028-10-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/2028-3-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/2028-55-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2928-53-0x0000000000DB0000-0x0000000000DB9000-memory.dmp

Filesize
36KB

Download